Dayton, Ohio
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -7° -31.7° (1994) 23.9° (1906) 2.6" 9.9"
February -5° -33.3° (1899) 22.8° (2000) 2.29" 6.5"
March -1° -21.7° (1980) 30.6° (1910) 3.29" 4.8"
April 16° -9.4° (1972) 32.2° (1942) 4.03" 0.8"
May 11° 22° -3.3° (1963) 36.7° (1911) 4.17" 0"
June 16° 27° 2.8° (1913) 38.9° (1988) 4.21" 0"
July 18° 29° 6.7° (1972) 42.2° (1901) 3.75" 0"
August 17° 28° 2.8° (1915) 40.6° (1918) 3.49" 0"
September 13° 24° -1.7° (1913) 38.9° (1899) 2.65" 0"
October 18° -7.8° (1895) 33.9° (1900) 2.72" 0.4"
November 10° -18.9° (1958) 30° (1909) 3.3" 1.4"
December -4° -28.9° (1989) 22.2° (1998) 3.08" 5.4"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 15° 26.7° 7° (1967) 37° (1932) 0.1" NA
Sep 2 15° 26.1° 4° (1909) 38° (1913) 0.1" NA
Sep 3 15° 26.1° 6° (1908) 38° (1913) 0.1" NA
Sep 4 14.4° 26.1° 6° (1997) 37° (1913) 0.1" NA
Sep 5 14.4° 26.1° 5° (1902) 39° (1899) 0.1" NA
Sep 6 14.4° 26.1° 5° (1962) 38° (1954) 0.1" NA
Sep 7 13.9° 25.6° 6° (1988) 37° (1899) 0.09" NA
Sep 8 13.9° 25.6° 6° (1898) 37° (1939) 0.09" NA
Sep 9 13.9° 25.6° 6° (1914) 37° (1900) 0.09" NA
Sep 10 13.9° 25.6° 5° (1914) 37° (1900) 0.09" NA
Sep 11 13.3° 25° 1° (1917) 37° (1897) 0.09" NA
Sep 12 13.3° 25° 2° (1917) 37° (1897) 0.09" NA
Sep 13 13.3° 25° 3° (1964) 38° (1897) 0.09" NA
Sep 14 12.8° 24.4° 1° (1923) 38° (1897) 0.09" NA
Sep 15 12.8° 24.4° 2° (1902) 37° (1897) 0.09" NA
Sep 16 12.8° 24.4° 2° (1916) 37° (1897) 0.09" NA
Sep 17 12.2° 23.9° 4° (1959) 33° (1931) 0.09" NA
Sep 18 12.2° 23.9° 3° (1959) 36° (1895) 0.09" NA
Sep 19 12.2° 23.9° 1° (1901) 35° (1908) 0.09" NA
Sep 20 11.7° 23.3° 2° (1991) 35° (1914) 0.08" NA
Sep 21 11.7° 23.3° -1° (1897) 35° (1908) 0.08" NA
Sep 22 11.1° 23.3° 0° (1918) 35° (1895) 0.08" NA
Sep 23 11.1° 22.8° -2° (1913) 34° (1908) 0.08" NA
Sep 24 11.1° 22.8° 1° (1950) 34° (1908) 0.08" NA
Sep 25 10.6° 22.8° 2° (1903) 34° (1908) 0.08" NA
Sep 26 10.6° 22.2° 2° (1928) 36° (1900) 0.08" NA
Sep 27 10.6° 22.2° 1° (1899) 33° (1998) 0.08" NA
Sep 28 10° 21.7° 0° (1909) 33° (1905) 0.08" NA
Sep 29 10° 21.7° 1° (1942) 34° (1953) 0.08" NA
Sep 30 9.4° 21.1° -1° (1899) 34° (1897) 0.08" NA
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